CJC Desorber D38 GP-EH1T

THE PRINCIPAL

The desorption process is based on the principle that heated air can effectively absorb large quantities of water.

In the CJC Desorber, the oil, preheated to a temperature of 60-75ºC, is pumped through the desorber chamber where it is met with a counterflow of cold air.   The air, heated very quickly by the hot oil, will absorb any water present.

In the closed loop desorber system the humid air expelled from the chamber is passed through two oil extractors before entering the air cooler/water condenser.  The now cold air enters a demister where the water settles at the bottom enabling it to be drained into an oil/water separator from which the desorbed water is discharged.

The air pump draws cold air from the demister and the cycle continues.  Consequently no air is expelled from the desorption  process, facilitating enclosed operation without the need for the provision of air extraction.

The graph below shows the process of water removal:

If oil containing 3% water is pumped through the desorber once, 2.3% water remains.  After going through a second time, 1.5% water remains, etc..  The process continues until all water has been removed.  For example, if your tank holds 10,000 litres with a 3% water content, the oil will be water free within 24 hours.